56% (2009)

67% (2023)

60% (1990)

67% (2020)

65% (2015)

68% (1979)

72% (1979)

47% (2012)

58% (2011)

66% (2012)

68% (1968)

63% (2006)

46% (1997)

59% (2010)

49% (2016)

67% (2017)

77% (1951)

63% (2018)

55% (2017)

54% (2018)